Pump power

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mhewitson

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Sep 21, 2011
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Hi... I did search...but struggled to come up with anything.

Any suggestions on what to use to power a 12V DC solar pump. Ideally I'd live variable control, at a small size and cheap cost.
If possible something that can be built into a project box at some point.

Many thanks,
 
fwiw i use an off the shelf tattoo gun psu with my lil brown solar pump, circa £10 from ebay some time ago, it also doubles up as the psu for my pcfan magnet stirbar solution ;)

be mindful that they can deliver upto 18v at full power iirc but mine has a nice easy dial and led display to control and indicate output voltage, and i find i generally run it between 8-10v

wow they have gone up in price.. https://www.ebay.co.uk/itm/Tattoo-P...11:m:mWzNYkuq0cOORBb_rCKScbg&var=620665665295
 
Homebrew builder has a 12v supply for small pumps.
For flow control just add a tap on the outlet of the pump. This will control the flow rate.
 

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